CVE-2023-4719 HIGH

CVE-2023-4719: Simple Membership <= 4.3.5 - Reflected Cross-Site Scripting

Vendor Wpinsider-1
Product Simple Membership
Weakness CWE-79 · XSS
Published September 6, 2023
Last update April 8, 2026
View on NVD All CVEs

CVSS base score

7.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

What the vulnerability does

01Description

The Simple Membership plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the `list_type` parameter in versions up to, and including, 4.3.5 due to insufficient input sanitization and output escaping. Using this vulnerability, unauthenticated attackers could inject arbitrary web scripts into pages that are being executed if they can successfully trick a user into taking an action, such as clicking a malicious link.

Key dates

02Disclosure timeline

September 6, 2023 CVE published
April 8, 2026 Record updated